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authorTrond Myklebust <Trond.Myklebust@netapp.com>2005-11-04 15:32:58 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2005-11-04 15:32:58 -0500
commit4cecb76ff86db46d2823550256c828b6597f418e (patch)
treedb80c6f4423d2559661234e8d1cd34b2c15f7750 /fs/nfs/nfs4_fs.h
parent462aae65f6ea41de05ebc2a54a9e6b95563591f3 (diff)
downloadop-kernel-dev-4cecb76ff86db46d2823550256c828b6597f418e.zip
op-kernel-dev-4cecb76ff86db46d2823550256c828b6597f418e.tar.gz
NFSv4: Fix a race between open() and close()
We must not remove the nfs4_state structure from the inode open lists before we are in sequence lock. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4_fs.h')
-rw-r--r--fs/nfs/nfs4_fs.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index 78a53f5..5396902 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -214,7 +214,7 @@ extern int nfs4_proc_setclientid(struct nfs4_client *, u32, unsigned short);
extern int nfs4_proc_setclientid_confirm(struct nfs4_client *);
extern int nfs4_proc_async_renew(struct nfs4_client *);
extern int nfs4_proc_renew(struct nfs4_client *);
-extern int nfs4_do_close(struct inode *inode, struct nfs4_state *state, mode_t mode);
+extern int nfs4_do_close(struct inode *inode, struct nfs4_state *state);
extern struct dentry *nfs4_atomic_open(struct inode *, struct dentry *, struct nameidata *);
extern int nfs4_open_revalidate(struct inode *, struct dentry *, int, struct nameidata *);
@@ -248,6 +248,7 @@ extern struct nfs4_state * nfs4_get_open_state(struct inode *, struct nfs4_state
extern void nfs4_put_open_state(struct nfs4_state *);
extern void nfs4_close_state(struct nfs4_state *, mode_t);
extern struct nfs4_state *nfs4_find_state(struct inode *, struct rpc_cred *, mode_t mode);
+extern void nfs4_state_set_mode_locked(struct nfs4_state *, mode_t);
extern void nfs4_schedule_state_recovery(struct nfs4_client *);
extern void nfs4_put_lock_state(struct nfs4_lock_state *lsp);
extern int nfs4_set_lock_state(struct nfs4_state *state, struct file_lock *fl);
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